#define _CRT_SECURE_NO_WARNINGS 1
#include <graphics.h>
#include <conio.h>
#include <stdio.h>
#include <time.h>
int main()
{
	float Pi =3.14159;
	initgraph(800,600);
	setbkcolor(RGB(128,128,128));
	cleardevice();
	srand(time(0));

	int centerX,centerY,radius,i;
	float offset, tota10ffset;
	while(1)
	{
		for (centerX = 100;centerX<800;centerX=centerX+200)
		{
			for (centerY = 100;centerY<600;centerY=centerY+200)
			{
				tota10ffset = 0;
				float h = rand()%180;
				COLORREF color1 = HSVtoRGB(h,0.9,0.8);
				COLORREF color2 = HSVtoRGB(h+180,0.9,0.8);
				for (radius=100;radius>0;radius=radius-20)
				{
					int left = centerX - radius;
					int top = centerY - radius;
					int right = centerX + radius;
					int bottom = centerY + radius;
					for (i=0;i<20;i++)
					{
						offset = i*Pi/10 + tota10ffset;
						setfillcolor(color1);
						solidpie(left,top,right,bottom,offset,2*Pi/60+offset);
						setfillcolor(RGB(255,255,255));
						solidpie(left,top,right,bottom,2*Pi/60+offset,3*Pi/60+offset);
						setfillcolor(color2);
						solidpie(left,top,right,bottom,3*Pi/60+offset,5*Pi/60+offset);
						setfillcolor(RGB(0,0,0));
						solidpie(left,top,right,bottom,5*Pi/60+offset,6*Pi/60+offset);
					}
					tota10ffset = tota10ffset +Pi/20;
				}
			}
		}
		_getch();
    }
	return 0;
}